This Pro Flex 1/2 in. female fitting is CSA certified to meet strict standard codes. HPC continues to lead the hearth industry in manufacturing safe, high quality products and components, and are committed to provide excellent customer service to help you customize your particular hearth product needs. HPC also has a large product line including firepit kits, flex lines, remote controls, burners and ignitions, safety pilot valve assemblies, and many more hearth components. These fittings come in a convenient box of 12.